kc3-lang/kc3

diff --git a/libc3/env.h b/libc3/env.h
index 70d2047..4b686fd 100644
--- a/libc3/env.h
+++ b/libc3/env.h
@@ -17,11 +17,11 @@
 
 extern s_env g_c3_env;
 
-/* stack allocation compatible functions */
+/* Stack allocation compatible functions, call env_clean after use. */
 void    env_clean (s_env *env);
 s_env * env_init (s_env *env);
 
-/* modifiers */
+/* Modifiers */
 bool       env_eval_call (s_env *env, const s_call *call,
                           s_tag *dest);
 bool       env_eval_call_arguments (s_env *env, s_list *args,
@@ -59,7 +59,7 @@ bool       env_operator_is_unary (s_env *env, const s_ident *op);
 s8         env_operator_precedence (s_env *env,
                                     const s_ident *op);
 
-/* control structures */
+/* Control structures */
 void env_error_f (s_env *env, const char *fmt, ...);
 void env_error_tag (s_env *env, const s_tag *tag);
 void env_longjmp (s_env *env, jmp_buf *jmp_buf);